Shimano Dura-Ace CS-R9100 11-Speed Cassettes
- CFRP/alloy spider arms and 5 titanium sprockets offer weight savings
- Cassette Body Type: Shimano/SRAM 11 Speed Road
- Drivetrain Speeds: 11
- Cassette Cogs: 11-12-13-14-15-17-19-21-23-25-28
- Range: 11-28
Shimano Dura-Ace CS-R9100 11-Speed Cassettes